Tire tread



FIG. 1 is a perspective view of a tire tread showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a fragmentary enlarged front elevation view thereof;

FIG. 7 is a cross-section view taken along line 7-7 in FIG. 6; and,

FIG. 8 is a cross-section view taken along line 8-8 in FIG. 6.

Broken lines show environmental portions of a tire that are not being claimed, and form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 